Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Interest and fee income on finance receivables	$ 18,759	$ 22,198
Expenses:
Marketing	367	391
Salaries and employee benefits	5,266	5,162
Administrative	3,065	2,995
Provision for credit losses	5,426	9,752
Depreciation	103	121
Interest expense	2,540	2,455
Change in fair value of interest rate swap agreements		9
Total operating expenses	16,767	20,885
Operating income before income taxes	1,992	1,313
Income tax expense	572	500
Net income	$ 1,420	$ 813
Earnings per share:
Basic (in dollars per share)	$ 0.18	$ 0.10
Diluted (in dollars per share)	$ 0.18	$ 0.10